Darknet Giant Empire Market Offline for 36 Hours, Blame Cast at Massive DDoS Attack

According to a number of sources, one of the largest darknet markets in the world, Empire Market has been offline for well over 36 hours. The researcher and analyst Dark. fail has been tweeting about the subject, as the market hasn’t been down for this long since 2019. дальше »

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Ransomware Negotiations Revealed: Flattery and Empathy Works

New details reveal the unusual strategies employed by ransomware negotiators in a recent attack on the University of California.

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Monero Cryptojacking Malware Targets Higher Education

Guardicore Labs explains that FritzFrog uses a brute-force attack on millions of addresses to gain access to servers.

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Did Jack Daniels Thwart a Ransomware Attack or Not?

Jack Daniels says it successfully fended off the attack, but the REvil ransomware gang has put stolen data up for auction on the darknet. дальше »

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Cryptocurrency News Roundup for August 19, 2020

In yet another cyberattack that could potentially result in bad PR for crypto, unknown hackers have demanded bitcoin ransom from researchers working on a possible COVID-19 cure. The attack took place in June when a group of University of California San Francisco (UCSF) researchers found their biostatistics data inaccessible. дальше »

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OKEx Exchange Considers Delisting ETC After $5.6 Million Loss Due to a 51% Attack

OKEx will consider delisting Ethereum Classic (ETC) following the recent 51% attacks that saw the crypto exchange lose $5. 6 million. This was prompted by a double-spend where the attacker created confusion by launching a ‘shadow chain’ and leveraging OKEx’s high ETC liquidity. дальше »

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Ethereum Classic 51% Attack: Okex Crypto Exchange Suffers $5.6 Million Loss, Contemplates Delisting ETC

Cryptocurrency exchange Okex reveals it suffered the $5. 6 million loss as a result of the double-spend carried out by the attacker(s) in Ethereum Classic 51% attack. Okex says it fully absorbed the loss as per its user-protection policy while insisting that the attack did not cause any loss to the platform’s users. дальше »

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Ethereum Classic Not Keen on Hoskinson’s Treasury Proposal

Ethereum Classic Labs are exploring ways to protect the network and move forward following the 51% attack two weeks ago. Initial discussion on what to do are taking place today. Attendees include IOHK CEO Charles Hoskinson, as well as other stakeholders. дальше »

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Why Chinese Miners Won’t Stage a 51% Attack on Bitcoin

Jameson Lopp explains why attacks on Bitcoin won’t work and that he expects China’s mining dominance won’t last.

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Malevolent insiders and software errors: researchers revealed main hacking attack vectors on exchanges

At the Black Hat Security Conference, researchers detailed potential attack points that could be exploited by attackers to steal cryptocurrencies. Among the examples given were real cases that affected the operation of existing cryptocurrency exchanges. дальше »

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Crypto scammers from Poland use new kind of attack

A warning was issued by the Polish Financial Supervision Authority (PFSA) as a new...

The post Crypto scammers from Poland use new kind of attack appeared first on Coin Journal.

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Ethereum Classic Attacker Successfully Double-Spends $1.68M in Second Attack: Report

The attacker attempted to double-spend roughly $3.3 million during the second attack. дальше »

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$5.6 Million Double Spent: ETC Team Finally Acknowledges the 51% Attack on Network

The Ethereum Classic (ETC) blockchain network lost $5. 6 million to one miner following a 51% attack initially thought to be a chain split. During the attack, the offending miner managed to double-spend 807,260 ETC ($5. дальше »

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Blockchain Bites: Bulls Reborn, Backrunning Bots, Bitmain Blowout

Ethereum Classic was hit with another 51% attack and Instagram is seeing a proliferation of crypto scams. дальше »

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Ethereum Classic (ETC) Suffers Second 51% Attack Less Than a Week After Losing $5.6 Million

Barely a week after nefarious agents took control of the Ethereum Classic network, double spending $5. 6 million worth of ETC, the 24th largest project by market cap is once again under attack. Earlier today (Aug 6, 2020), CoinDesk reported that 4,000 ETC blocks were “reorganized” in a classic 51 percent attack. дальше »

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Ethereum Classic Suffers Yet Another ‘Large 51% Attack’ Just Days After Losing $5.7 Million

It hasn’t been even a week since Ethereum Classic suffered a 51% attack where the attacker got its hands on $5. 7 million that the blockchain had yet another “large 51% attack. ” As reported by Bitfly, this attack has caused a reorganization of more than 4000 blocks. дальше »

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Ethereum Classic looks shaky after suffering another 51% attack

Ethereum Classic price has not dropped below $7.00 but could if bears overpower bulls... The post Ethereum Classic looks shaky after suffering another 51% attack appeared first on Coin Journal. дальше »

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Ethereum Classic Considers Network Rollback Following $5.6M Theft

Ethereum Classic suffered a 51% attack last weekend, the second such attack in less than two years. Initial investigations at the time showed no evidence of double-spending. Ethereum Classic (ETC) price drops after reports of a 51% attack. дальше »

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Ethereum Classic Rocked by Second 51% Attack This Week

Ethereum Classic has experienced yet another malicious 51% attack—the second in under a week. Binance has frozen all Ethereum Classic deposits and withdrawals. Reports have shown that a 51% attack on the Ethereum Classic blockchain reorganized 4,000 blocks on the chain. дальше »

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After Second Double Spend Attack, Ethereum Classic’s Future Is in Question

A second reorg attack hit the Ethereum Classic blockchain in the last week. After two consecutive blows to the blockchain’s immutability, the community needs to rally to find a viable... дальше »

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Is ETC 102% Screwed After Second 51% Attack?

Ethereum Classic has suffered its second 51% attack in a week after 4,000 blocks were reorganized earlier today.

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Ethereum Classic Suffers Second 51% Attack In a Week

Ethereum Classic has suffered a 4,000-block long reorganization, its second such incident in five days. The first attack, which saw more than 3,000 blocks reorged, saw an attacker steal more than 800,000 ETC, worth about $5.6 million. дальше »

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Newly Discovered Ledger Wallet Vulnerability Could Be Disastrous if Not Fully Patched

Ledger has failed to fully fix a major vulnerability that allows for a “Bitcoin Fork” attack.

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Ethereum Classic Price Analysis - A second 51% attack

Ethereum Classic has experienced two 51% attacks in the past two years, suggesting low overall network security. As the network hash rate continues to decline, future 51% attacks become a greater possibility as the cost for an attack also continues to decline. дальше »

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DeFi Options Protocol Opyn Hacked, Over $371,000 Lost

Opyn, a protocol offering options for ETH, DeFi tokens, as well as insurance on Compound deposits, was hacked. At least 371,260 USDC were lost because of the double-spend attack on... дальше »

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Scott Melker Recounts How He Fell Victim to a SIM Swap Attack

The ‘Wolf of All Streets’ offers suggestions for how to protect one’s crypto assets and identity after his SIM was compromised in February. дальше »

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Bitfinex Offers up to $400M for Information Leading to BTC Stolen in 2016

Bitfinex wants to recover Bitcoin stolen from it in 2016, even if that means paying to find the hackers responsible for the attack. дальше »

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The ‘Huge’ 51% Attack on Ethereum Classic (ETC) Only Cost 17.5 BTC

Over the past weekend, Ethereum hard fork Ethereum Classic (ETC) experienced a “huge 51% attack” where one miner generated a series of over 3500 blocks, as a huge fork from block 10904146 till 10907740. дальше »

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Bitfinex Hackers Move $12M Worth of BTC On the Four Year Anniversary Of The Attack

Some of the 119,756 Bitcoins stolen from the Bitfinex hack in 2016 is on the move again according to updates from Whale Alert. The blockchain and analytics tracker whose focus is on large transactions noted that $12 million worth of the stolen BTC has been moved within the past six days. This comes barely a […] дальше »

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17-year-old hacker suspect of Twitter attack arrested in USA

American law enforcement agencies claim they managed to find cybercriminals who hacked celebrity Twitter accounts. The main defendant is a 17-year-old Florida resident.

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Crypto Hackers Shift $7,006,854 in Bitcoin from Money "Obtained" from Bitfinex in 2016 Attack

Whale Alert has spread the word that the hackers who stole $72 mln from Bitfinex in 2016 have made several transactions, transferring slightly more than $7 mln in Bitcoin дальше »

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Travel Management Firm CWT Pays Out $4.5M in Bitcoin After Ransomware Attack

The U.S. firm paid out a ransom of 414 bitcoin after its corporate files were locked up by the Ragnar Locker malware. дальше »

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Ethereum Classic had another attack scare

Panic broke out as a glitch was mistaken as a potential 51% attack on...

The post Ethereum Classic had another attack scare appeared first on Coin Journal.

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Ethereum Classic Undergoes Likely 51% Attack With 3693-Block Chain Reorganization

Developers advise exchanges to pause ETC deposits and withdrawals. дальше »

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Ethereum Classic Suffers Reorganization That Resembles 51% Attack Amid Miner Complications

Developers advise exchanges to pause ETC deposits and withdrawals. дальше »

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Twitter Releases Details of Attack Vector Used by Crypto Hacker

Twitter has published an update on its investigation into the causes of the recent hack, during which 12 Bitcoin was conned out of the platform’s users. дальше »

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Twitter Team Concludes Recent Hack Was Done Through Spear-Phishing

Two weeks ago, Twitter suffered unprecedented attack and massive BTC scam that followed; now the platform?s team has an explanation as to how the hackers managed to do it дальше »

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Hackers Have Been Using Dogecoin to Deploy Malware for 6 Months & No One Noticed

Researchers at Intezer discovered a new malware that relies on the Dogecoin blockchain network to deploy the attack against cloud servers. дальше »

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Raising the Security Bar? Dash Claims a 51% Attack Is Not Enough

While a 51% attack on Bitcoin will cost a billion dollars, Dash developers say an attacker needs more than money to attack the Dash network. дальше »

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Crypto Hackers Move $4,975,676 in Bitcoin from Funds Grabbed from Bitfinex in 2016 Attack

Whale Alert reports that hackers who attacked Bitfinex exchange four years ago have reared their heads again, wired almost $5 mln in BTC from the crypto they stole then дальше »

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CoinDesk Live Recap: The DAO Hack Is Still a Mystery

The DAO attack was a foundational episode in Ethereum history. On Tuesday, CoinDesk Live gathered a handful of blockchain veterans to look back. дальше »

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Garmin Could Face Sanctions if $10M Ransom is Paid

The leader of the cybercriminal group Evil Corp reportedly led the attack against Garmin.

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Aviation Database Struck By Unknown Ransomware Gang

A ransomware attack against Garmin affected pilots that rely on the company’s support for aviation navigational equipment.

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Spanish Railway Infrastructure Threatened by Ransomware

REvil is reportedly behind the attack against the Spanish railway manager ADIF and claimed to have stolen over 800 GB of data.

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Financial Data Privacy is Under Attack

Coinspeaker Financial Data Privacy is Under AttackTik-Tok collects information from your clipboard, scammers hack Twitter, is your data really safe?Financial Data Privacy is Under Attack дальше »

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English Football Club Hit With Multi-Million Dollar Ransomware Attack

Cybersecurity authorities in the UK warned that ransomware could threaten the sports sector.

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University of York Confirms Recent Data Breach Was Caused by Ransomware

A UK-based university is investigating the slow response to a ransomware attack that took place in May.

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Telecom Argentina S.A Hit by Major Ransomware Attack, Criminals Demand $7.5M Worth of Monero

Telecom Argentina S. A has been hit by a ransomware attack and the cyber-criminals are demanding $7. 5 million paid in the privacy coin monero. The Spanish language site, elperiodista. com quotes anonymous employees stating that the attack started last Wednesday. дальше »

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Experts Concerned Over Twitter’s Ability to Tweet on Behalf of Users

A worse scenario than the recent attack against Twitter could happen if the social media network doesn’t strengthen its internal security procedures, say experts. дальше »

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Ethereum Challenges Hackers to Attack Proposed 2.0 Networks

The Ethereum Foundation launched two Ethereum 2.0 attack networks for hackers to break in exchange for a bug bounty.

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